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Forces (energy (kinetic energy (The energy an object has due to its…
Forces
energy
kinetic energy
The energy an object has due to its motion
example: shooting a rubber band
forumnala: K.E= 1/2 m v2
potential energy
energy that is stored as a result of position or shape
PE=mgh
example: for an example potential is like when a biker goes up the hill and down the hill
thermal energy
the total potentail and kinetic energy of all the particles in an object
chemical energy
the energy stored in chemical bonds
kg m2 / s2
newtons laws of forces
The motion of an object does not change unless the net force is above zero
Example when an objects is resting on a surface, my waterocket is resting on the ground currently
newtons second law of forces
The accleration of an object is equal to the net force acting on it divided by the object's mass
The formula of Newtons second law of forces
Net forces/ Mass = acceleration, or a= F/M
Example: My water rocket getting launched into the sky
newtons third law of forces
Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object
The formula of Newtons third law of Forces
Momentum= mass X velocity
Picture:
define forces
A force causes resting objects to move
work
work is a transfer of energy
work example; a postive work is like when you lift a box, a negative example is when you lower the box
work formula; force x distance = work
